/*
* Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.
*
* This program and the accompanying materials
* are licensed and made available under the terms and conditions of the BSD License
* which accompanies this distribution. The full text of the license may be found at
* http://opensource.org/licenses/bsd-license.php
*
* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
*/
#include
EnterARM(memcpy4)
EnterARM(_aeabi_memcpy4)
stmdb sp!, {r4, lr}
subs r2, r2, #32 /* 0x20 */
bcc memcpy4_label2
memcpy4_label1:
ldmiacs r1!, {r3, r4, ip, lr}
stmiacs r0!, {r3, r4, ip, lr}
ldmiacs r1!, {r3, r4, ip, lr}
stmiacs r0!, {r3, r4, ip, lr}
subscs r2, r2, #32 /* 0x20 */
bcs memcpy4_label1
memcpy4_label2:
movs ip, r2, lsl #28
ldmiacs r1!, {r3, r4, ip, lr}
stmiacs r0!, {r3, r4, ip, lr}
ldmiami r1!, {r3, r4}
stmiami r0!, {r3, r4}
ldmia sp!, {r4, lr}
movs ip, r2, lsl #30
ldrcs r3, [r1], #4
strcs r3, [r0], #4
bxeq lr
_memcpy4_lastbytes_aligned:
movs r2, r2, lsl #31
ldrhcs r3, [r1], #2
ldrbmi r2, [r1], #1
strhcs r3, [r0], #2
strbmi r2, [r0], #1
bx lr